.page-home {
  --home-section-gap: clamp(3rem, 8vw, 6.5rem);
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* ---------- 侧边章节索引 ---------- */
.page-home .home-rail {
  display: none;
}

@media (min-width: 1400px) {
  .page-home .home-rail {
    position: fixed;
    left: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    width: 104px;
  }

  .page-home .home-rail__title {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    color: var(--haze);
    padding-left: 0.65rem;
    margin-bottom: 0.2rem;
  }

  .page-home .home-rail__link {
    position: relative;
    padding: 0.16rem 0 0.16rem 0.65rem;
    font-size: 0.8rem;
    color: var(--haze);
    text-decoration: none;
    border-left: 2px solid var(--line);
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
  }

  .page-home .home-rail__link:hover,
  .page-home .home-rail__link:focus-visible {
    color: var(--fog);
    border-left-color: var(--line-strong);
  }

  .page-home .home-rail__link[aria-current="true"] {
    color: var(--cyan);
    border-left-color: var(--cyan);
  }
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(2rem, 6vw, 4.5rem) 0 clamp(2.4rem, 5vw, 3.6rem);
  background:
    radial-gradient(880px 420px at 92% -12%, rgba(57, 255, 196, 0.16), transparent 62%),
    radial-gradient(720px 400px at 4% 108%, rgba(255, 122, 24, 0.14), transparent 64%),
    var(--ink);
  overflow: hidden;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    114deg,
    transparent 0 62px,
    rgba(120, 160, 200, 0.075) 62px 63px
  );
  pointer-events: none;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-home .home-hero__context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
}

.page-home .home-hero__kicker {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-home .home-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 7.5vw, 3.75rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-home .home-hero__intro {
  margin: 0 0 1.5rem;
  max-width: 46ch;
  font-size: clamp(0.95rem, 2.4vw, 1.05rem);
  line-height: 1.85;
  color: var(--haze);
}

.page-home .home-status {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-home .home-status__cell {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.35rem 0.45rem;
  border-left: 2px solid var(--slate);
}

.page-home .home-status__cell:first-child {
  border-left-color: var(--fog);
}

.page-home .home-status__value {
  font-size: clamp(1.15rem, 4.4vw, 1.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--fog);
}

.page-home .home-status__value--cyan {
  color: var(--cyan);
}

.page-home .home-status__value--orange {
  color: var(--orange);
}

.page-home .home-status__unit {
  font-size: 0.62em;
  margin-left: 0.12em;
  color: inherit;
  opacity: 0.75;
}

.page-home .home-status__label {
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--haze);
}

.page-home .home-status__ready {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.9rem 0 0;
  font-size: 0.8rem;
  color: var(--haze);
}

.page-home .home-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(57, 255, 196, 0.55);
  animation: home-pulse-dot 2.4s var(--ease) infinite;
}

@keyframes home-pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(57, 255, 196, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(57, 255, 196, 0); }
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-home .home-hero__visual {
  position: relative;
  margin: 0;
}

.page-home .home-hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-hero__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-top: -1.4rem;
  margin-left: 0.6rem;
  margin-right: 0.6rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  z-index: 2;
}

.page-home .home-hero__strip-label {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-home .home-pulse {
  color: var(--cyan);
  fill: currentColor;
}

.page-home .home-pulse rect:nth-child(3n) {
  opacity: 0.45;
}

.page-home .home-pulse rect:nth-child(3n + 1) {
  opacity: 0.75;
}

.page-home .home-hero__strip-note {
  font-size: 0.74rem;
  color: var(--fog);
  margin-left: auto;
}

/* ---------- 区块通用 ---------- */
.page-home .home-section {
  padding: var(--home-section-gap) 0;
  position: relative;
}

.page-home .home-head {
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
  max-width: 62ch;
}

.page-home .home-head h2 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.55rem, 5vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-home .home-head__note {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 四条通道 ---------- */
.page-home .home-channels {
  background: linear-gradient(180deg, var(--ink) 0%, var(--night) 45%, var(--ink) 100%);
}

.page-home .home-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
}

.page-home .home-channel {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.1rem, 3.5vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 22, 40, 0.72);
  text-decoration: none;
  color: var(--fog);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-home a.home-channel:hover,
.page-home a.home-channel:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(20, 34, 56, 0.9);
}

.page-home .home-channel h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.1rem, 3.4vw, 1.32rem);
  line-height: 1.25;
  color: var(--fog);
}

.page-home .home-channel p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-home .home-channel__go {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .home-channel__go::after {
  content: " →";
}

.page-home .home-channel--lead {
  background:
    linear-gradient(150deg, rgba(255, 122, 24, 0.16), rgba(11, 22, 40, 0.9) 62%);
  border-color: rgba(255, 122, 24, 0.4);
}

.page-home .home-channel--lead h3 {
  font-size: clamp(1.24rem, 4.2vw, 1.6rem);
}

.page-home .home-channel--visual {
  padding: 0;
  overflow: hidden;
  background: var(--night);
}

.page-home .home-channel--visual .media {
  border-radius: 0;
}

.page-home .home-channel--visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-channel--visual figcaption {
  padding: 0.75rem 0.95rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--haze);
}

/* ---------- V4 能力面板 ---------- */
.page-home .home-v4 {
  background:
    radial-gradient(700px 320px at 96% 0%, rgba(255, 61, 141, 0.1), transparent 60%),
    var(--ink);
}

.page-home .home-v4__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
}

.page-home .home-v4__main {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--night);
}

.page-home .home-v4__main img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-v4__main figcaption {
  padding: 0.85rem 1.1rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--haze);
  border-top: 1px solid var(--line);
}

.page-home .home-v4__stat,
.page-home .home-v4__views,
.page-home .home-v4__league {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1.05rem, 3.4vw, 1.45rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--glass);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-home .home-v4__stat:hover,
.page-home .home-v4__stat:focus-within,
.page-home .home-v4__views:hover,
.page-home .home-v4__league:hover {
  border-color: var(--line-strong);
  background: rgba(20, 40, 66, 0.72);
}

.page-home .home-v4__stat--a {
  border-top: 3px solid var(--cyan);
}

.page-home .home-v4__stat--b {
  border-top: 3px solid var(--orange);
}

.page-home .home-v4__value {
  font-size: clamp(2.1rem, 8vw, 3.2rem);
  font-weight: 700;
  line-height: 0.95;
  color: var(--cyan);
}

.page-home .home-v4__stat--b .home-v4__value {
  color: var(--orange);
}

.page-home .home-v4__label {
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-home .home-v4__note {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--haze);
  opacity: 0.6;
  transition: opacity 0.25s var(--ease);
}

.page-home .home-v4__stat:hover .home-v4__note,
.page-home .home-v4__views:hover .home-v4__note,
.page-home .home-v4__league:hover .home-v4__note {
  opacity: 1;
}

.page-home .home-v4__subtitle {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-home .home-v4__viewlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-home .home-v4__viewlist li {
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--fog);
}

.page-home .home-v4__leagues {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-home .home-v4__league-tag {
  padding: 0.3rem 0.62rem;
  border-radius: var(--radius-sm);
  background: rgba(20, 34, 56, 0.9);
  border: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--haze);
}

.page-home .home-v4__league-tag[aria-current="true"] {
  background: rgba(57, 255, 196, 0.14);
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-home .home-v4__foot {
  margin: 1.6rem 0 0;
}

.page-home .home-v4__link {
  display: inline-block;
  padding-bottom: 0.2rem;
  font-size: 0.92rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 196, 0.4);
}

.page-home .home-v4__link:hover,
.page-home .home-v4__link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 换设备同步 ---------- */
.page-home .home-sync__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.6rem);
  padding: clamp(1.3rem, 4.5vw, 2.8rem);
  border-radius: var(--radius-lg);
  background: var(--paper);
  color: var(--paper-ink);
}

.page-home .home-sync__lead .eyebrow {
  color: rgba(11, 22, 40, 0.62);
}

.page-home .home-sync__lead h2 {
  margin: 0.5rem 0 0.8rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.8vw, 2.3rem);
  line-height: 1.12;
  color: var(--paper-ink);
}

.page-home .home-sync__lead p {
  margin: 0 0 0.8rem;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(11, 22, 40, 0.78);
}

.page-home .home-sync__hint {
  padding-left: 0.8rem;
  border-left: 3px solid var(--orange);
  font-size: 0.86rem !important;
  color: rgba(11, 22, 40, 0.7) !important;
}

.page-home .home-sync__steps {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(11, 22, 40, 0.16);
}

.page-home .home-step {
  border-bottom: 1px solid rgba(11, 22, 40, 0.16);
}

.page-home .home-step__trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--paper-ink);
  cursor: pointer;
}

.page-home .home-step__trigger:hover,
.page-home .home-step__trigger:focus-visible {
  color: #0b1628;
}

.page-home .home-step__no {
  flex: 0 0 auto;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--paper-ink);
  padding-bottom: 0.1rem;
  border-bottom: 2px solid var(--orange);
}

.page-home .home-step__label {
  flex: 1 1 auto;
  line-height: 1.5;
}

.page-home .home-step__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.page-home .home-step__icon::before,
.page-home .home-step__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--paper-ink);
  transform: translateY(-50%);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-home .home-step__icon::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-home .home-step[data-open="true"] .home-step__icon::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-home .home-step__panel {
  padding: 0 0 1.1rem 2.1rem;
}

.page-home .home-step__panel p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: rgba(11, 22, 40, 0.76);
}

.page-home .home-sync__visual {
  margin: 0;
}

.page-home .home-sync__visual .media {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .home-sync__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-sync__visual figcaption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(11, 22, 40, 0.66);
}

/* ---------- 赛场内容 ---------- */
.page-home .home-stories {
  background: var(--ink);
}

.page-home .home-stories__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
}

.page-home .home-story {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.05rem, 3.4vw, 1.45rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--slate);
  border-radius: var(--radius-md);
  background: rgba(11, 22, 40, 0.62);
  text-decoration: none;
  color: var(--fog);
  transition: border-left-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .home-story:hover,
.page-home .home-story:focus-visible {
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .home-story h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.05rem, 3.2vw, 1.22rem);
  line-height: 1.35;
  color: var(--fog);
}

.page-home .home-story p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-home .home-story__meta {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--haze);
  opacity: 0.8;
}

.page-home .home-stories__more {
  margin: 1.4rem 0 0;
}

/* ---------- 服务与联络 ---------- */
.page-home .home-service {
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

.page-home .home-service__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.4rem);
  padding: clamp(1.3rem, 4vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(20, 34, 56, 0.92), rgba(5, 8, 15, 0.96));
}

.page-home .home-service__copy h2 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.45rem, 4.6vw, 2.1rem);
  line-height: 1.12;
  color: var(--fog);
}

.page-home .home-service__copy p {
  margin: 0;
  max-width: 44ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--haze);
}

.page-home .home-service__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

.page-home .home-service__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-home .home-service__item {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 0.6rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px dashed var(--line);
}

.page-home .home-service__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .home-service__k {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--haze);
}

.page-home .home-service__v {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--fog);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .home-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-channel--lead {
    grid-column: span 2;
  }

  .page-home .home-stories__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-home .home-hero__visual {
    margin-top: 0.6rem;
  }

  .page-home .home-channels__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-auto-rows: minmax(0, auto);
  }

  .page-home .home-channel--lead {
    grid-column: span 3;
  }

  .page-home .home-channel:not(.home-channel--lead):not(.home-channel--visual) {
    grid-column: span 3;
  }

  .page-home .home-channel--visual {
    grid-column: span 2;
    grid-row: span 1;
  }

  .page-home .home-v4__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .home-v4__main {
    grid-column: span 4;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
  }

  .page-home .home-v4__main .media {
    flex: 1 1 auto;
    min-height: 240px;
  }

  .page-home .home-v4__main img {
    height: 100%;
  }

  .page-home .home-v4__stat--a,
  .page-home .home-v4__stat--b {
    grid-column: span 2;
  }

  .page-home .home-v4__views {
    grid-column: span 3;
  }

  .page-home .home-v4__league {
    grid-column: span 3;
  }

  .page-home .home-sync__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-home .home-sync__lead {
    grid-column: 1;
  }

  .page-home .home-sync__steps {
    grid-column: 1;
  }

  .page-home .home-sync__visual {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-home .home-stories__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-service__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-home .home-channel--lead {
    grid-column: span 3;
  }

  .page-home .home-v4__main {
    grid-row: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-status__dot {
    animation: none;
  }

  .page-home .home-channel,
  .page-home .home-story,
  .page-home .home-v4__stat,
  .page-home .home-v4__views,
  .page-home .home-v4__league {
    transition: none;
  }

  .page-home a.home-channel:hover,
  .page-home a.home-story:hover {
    transform: none;
  }
}